Changed nested if statement to elif statements Added elif case for Unicos to make sure ftests_util is compiled w. -O0
Changed nested if statement to elif statements
Added elif case for Unicos to make sure ftests_util is compiled w. -O0

pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi